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A074815 n is a term iff there are no prime numbers between reverse(n) and 3*n. 0

%I

%S 0,14,247,298,1003,2998,10003,12473,17525,19995,27528,29998,199995,

%T 299998,1000003,1824745,1875265,1999995,2124736,2475247,2700018,

%U 3124739

%N n is a term iff there are no prime numbers between reverse(n) and 3*n.

%C n such that the number of primes between n and 3n (inclusive) = number of primes between n and reverse(n) (inclusive).

%e 14 is here since there are seven primes between 14 and 41 and seven primes between 14 and 3*14=42.

%K base,nonn

%O 0,2

%A _Jason Earls_, Sep 08 2002

%E More terms from _Lior Manor_ Sep 17 2002

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Last modified October 21 08:49 EDT 2020. Contains 337911 sequences. (Running on oeis4.)